Finding the Fourth Proportional to 13,974.84, 19,285.56 and 7,687.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,974.84 : 19,285.56 = 7,687.62 : x
2. Step 2: Convert to fraction form
   13,974.84/19,285.56 = 7,687.62/x
3. Step 3: Cross multiply
   13,974.84x = 19,285.56 × 7,687.62
4. Step 4: Simplify right side
   13,974.84x = 148,260,056.77
5. Step 5: Solve for x
   x = 148,260,056.77/13,974.84
6. Step 6: Final answer
   x = 10,609.07